THE ASTRONOMER Electronic Circular No 246 1989 Jan 19 20.51UT. Telecom Gold 72:MAG60138 Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074 Telex:265871(MONREF G) Quote"72:MAG60138 ATT G.HURST"in FIRST line. ------------------------------------------------------------------- COMET SHOEMAKER (1989e) The following parabolic orbital elements are rather uncertain: T = 1989 Feb. 15.67 ET Peri. = 15.70 Node = 136.44 1950.0 q = 2.6595 AU Incl. = 96.39 Ephemeris: 1989 ET R.A. (1950) Decl. Delta r m1 Jan. 14 10 11.78 +19 24.2 1.819 2.682 13.1 19 10 05.45 +22 44.2 24 9 57.97 +26 12.8 1.736 2.670 13.0 29 9 49.34 +29 45.2 Feb. 3 9 39.63 +33 15.9 1.709 2.663 12.9 8 9 28.95 +36 39.2 13 9 17.51 +39 49.7 1.741 2.660 13.0 18 9 05.59 +42 43.3 23 8 53.49 +45 17.6 1.826 2.661 13.1 IAUC 4720 COMET YANAKA (1989a) Parabolic elements by S. Nakano from 34 observations Jan. 2-14: T = 1988 Nov. 1.136 ET Peri. = 351.784 Node = 156.459 1950.0 q = 1.89892 AU Incl. = 52.478 Ephemeris: 1989 ET R.A. (1950) Decl. Delta r m1 Jan. 14 14 08.99 +13 31.6 1.890 2.107 14.6 19 14 18.15 +15 25.5 24 14 26.89 +17 25.4 1.845 2.162 14.7 29 14 35.14 +19 30.6 Feb. 3 14 42.87 +21 40.3 1.814 2.223 14.8 8 14 50.01 +23 53.5 13 14 56.51 +26 08.9 1.801 2.287 14.9 18 15 02.31 +28 25.1 23 15 07.39 +30 40.9 1.807 2.355 15.0 IAUC 4718 Error: On E-244 the inclination should have read 51.911. NOVA ANDROMEDAE 1988 Following the report on E243, observers on La Palma obtained a magnitude of 18.1 on 1989 Jan 16 at 19.00UT using the Kapetyn telescope. It appears, therefore, to be at minimum. Guy M Hurst